[Bug 13879] New: Various uses of "an" instead of "a", found by regexp /\ban (<[^>]*>)*(?!(http|https|href|hgroup|rt|rp|li|xml|svg|hour|hr|xhtml|xslt|xbl|nntp|m[ions]|mtext|merror|h[1-6]|xmlns|xpath|s|x|sgml|huang|srgb|rsa)\b|html)[b-df-hj-np-tv-z]/i